AP7343-18FS4-7B

Product Overview

Category

AP7343-18FS4-7B belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Wide input voltage range
• Thermal shutdown protection
• Short-circuit current limit

Package

The AP7343-18FS4-7B comes in a small surface-mount package.

Essence

The essence of AP7343-18FS4-7B lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 300mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP7343-18FS4-7B has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. VOUT (Output Voltage)

Functional Features

• High Precision Regulation: The AP7343-18FS4-7B provides accurate and stable output voltage regulation.
• Low Dropout Voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The device can accept a wide range of input voltages, making it versatile for various applications.
• Thermal Shutdown Protection: In case of excessive temperature, the regulator shuts down to prevent damage.
• Short-Circuit Current Limit: It has built-in protection against short circuits, ensuring the safety of the circuit.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures reliable performance.
• Low dropout voltage allows efficient operation even with low input voltages.
• Wide input voltage range provides flexibility in different applications.
• Thermal shutdown protection prevents overheating and potential damage.
• Short-circuit current limit protects the circuit from damage due to short circuits.

Disadvantages

• Limited maximum output current of 300mA may not be suitable for high-power applications.
• The small surface-mount package may require specialized equipment for soldering and handling.

Working Principles

The AP7343-18FS4-7B is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage at the desired level. The device operates by dissipating excess voltage as heat, which is why it has a dropout voltage requirement.

Detailed Application Field Plans

The AP7343-18FS4-7B finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AP7343-18FS4-7B are: - LM1117-1.8 - LT1763-1.8 - MCP1700-1802E/TO

These models offer similar voltage regulation capabilities and can be used as substitutes depending on specific requirements.

In conclusion, the AP7343-18FS4-7B is a voltage regulator known for its high precision, low dropout voltage, and wide input voltage range. It provides stable and regulated voltage output, making it suitable for various electronic applications. While it has limitations in terms of maximum output current and package size, it offers several advantages such as thermal shutdown protection and short-circuit current limit. The device operates based on a feedback mechanism and finds applications in diverse fields. Alternative models like LM1117-1.8, LT1763-1.8, and MCP1700-1802E/TO can be considered depending on specific requirements.